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		| 406 | 
	 
		| By bear - 03/28/2001 12:37:32 AM; IP 209.166.142.59 | 
	 
		| Hi all,  I considering building a 406 out of a standrad bore 390 block i have.  The block is an X block which from everything i have read is either a high nickle block or is cast heavier.  I have two such blocks.  Can these safely be bored out to 4.13 or should i just build  another standard bore 390.  I also am figuring on running around 14.1 compression.  This motor will be strictly race.  I figured the money it would cost to build a 428 i could build a bullet proof 406.  I basically looking for info on pistons, if i can bore the bock this far, and if a cast crank is strong enough to take 14.1 at 6,500 rpms with eagle rods.  The motor will be going into a 69 mach one.  | 
	 
 
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